Climate and monthly weather forecast
Germantown, WI

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Weather in January

January, the same as December, in Germantown, Wisconsin, is another subzero cold winter month, with an average temperature ranging between max 25.2°F (-3.8°C) and min 14.4°F (-9.8°C). January, characterized by an average high temperature of 25.2°F (-3.8°C) and a low temperature of 14.4°F (-9.8°C), is generally the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Germantown, is another freezing cold month, with an average temperature varying between 28°F (-2.2°C) and 17.2°F (-8.2°C). With the onset of February, a modest change to a still freezing cold 28°F (-2.2°C) from January's 25.2°F (-3.8°C) is noted in high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Germantown, is an icy month, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 39.4°F (4.1°C). With the onset of March, Germantown's average high-temperature experiences a rise, moving from February's subzero cold 28°F (-2.2°C) to an icy 39.4°F (4.1°C). Weather in March »

Weather in April

April in Germantown, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 37°F (2.8°C) and 50.2°F (10.1°C). The shift into April brings an increase in the average high-temperature, moving from a cold 39.4°F (4.1°C) in March to a fresh 50.2°F (10.1°C). Weather in April »

Weather in May

May, the last month of the spring in Germantown, is a refreshing month, with an average temperature ranging between min 47.1°F (8.4°C) and max 62.1°F (16.7°C). As May begins, there is an increase in the average high-temperature, moving from a cool 50.2°F (10.1°C) in April to a comfortable 62.1°F (16.7°C). Weather in May »

Weather in June

June, the first month of the summer in Germantown, is an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 56.3°F (13.5°C). Entering June, Germantown sees a temperature rise, with the average high-temperature advancing from May's comfortable 62.1°F (16.7°C) to an agreeable 71.2°F (21.8°C). Weather in June »

Weather in July

July is a warm summer month in Germantown, Wisconsin, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 77.5°F (25.3°C). The warmest period is July, when temperatures fluctuate between an average high of 77.5°F (25.3°C) and a low of 63.1°F (17.3°C). Weather in July »

Weather in August

August, the last month of the summer in Germantown, is another warm month, with an average temperature varying between 76.6°F (24.8°C) and 61.9°F (16.6°C). Upon the onset of August, Germantown witnesses an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing a close resemblance to the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Germantown, Wisconsin, with an average temperature ranging between min 55.4°F (13°C) and max 70°F (21.1°C). September implies a soft temperature shift, with average high-temperatures reducing from August's warm 76.6°F (24.8°C) to a pleasant 70°F (21.1°C). Weather in September »

Weather in October

October, the same as September, in Germantown, Wisconsin, is a moderate autumn month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 43.7°F (6.5°C). In October, the average high-temperature goes from a pleasant 70°F (21.1°C) in September to a moderate 56.8°F (13.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Germantown, is also a frosty month, with an average temperature varying between 43.3°F (6.3°C) and 32.4°F (0.2°C). In Germantown, the beginning of November is marked by a lowered average high-temperature, shifting from October's refreshing 56.8°F (13.8°C) to a frosty 43.3°F (6.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Germantown, Wisconsin, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 22.8°F (-5.1°C). A shift in the average high-temperature occurs in December, reducing from a chilly 43.3°F (6.3°C) in November to a subzero cold 31.5°F (-0.3°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

January, with its high-temperature average of 25.2°F (-3.8°C) and a low-temperature average of 14.4°F (-9.8°C), is the coldest month.

What is the most humid month?

With an average relative humidity of 87%, January is the most humid month.

How many days does it rain?

Throughout the year, there are 139.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

What is the snowiest month in Germantown?

January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 4.02" (102mm) of snow.

How much does it snow?

Throughout the year, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

When is the lowest UV index?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month?

February is the month with the least rainfall. Rain falls for 4.1 days and accumulates 1.02" (26mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Germantown?

May through September are months without snowfall.

When are the longest days?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What month is the hottest?

In Germantown, July is the warmest month, with temperatures averaging a high of 77.5°F (25.3°C) and a low of 63.1°F (17.3°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the least humid month?

October is the least humid month, with an average relative humidity of 76%.

What is the month with the shortest days?

December has the shortest days of the year in Germantown, with an average of 9h and 0min of daylight.

Average temperature
Germantown, WI

Average temperature - Germantown, WI

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure
Germantown, WI

Average pressure - Germantown, WI

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Germantown, WI

Average wind speed - Germantown, WI

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity
Germantown, WI

Average humidity - Germantown, WI

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).

Average rainfall
Germantown, WI

Average rainfall - Germantown, WI

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days
Germantown, WI

Average rainfall days - Germantown, WI

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

Average snowfall
Germantown, WI

Average snowfall - Germantown, WI

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Germantown, WI

Average snowfall days - Germantown, WI

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Germantown, WI

Average daylight / Average sunshine - Germantown, WI

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Germantown, WI

Average sunshine days - Germantown, WI

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

Average UV index
Germantown, WI

Average UV index - Germantown, WI

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average visibility
Germantown, WI

Average visibility - Germantown, WI

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Germantown, Wisconsin, USA

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